Compaq Evo n800c Maintenance and Service Guide - Page 83

Flowchart 2.13-No OS Loading from Diskette Drive

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Troubleshooting Flowchart 2.13-No OS Loading from Diskette Drive Y OS not loading from diskette drive. Reseat diskette drive. OS loading? Done N Y Nonsystem disk message? N N Boot from another device? Y N Diskette drive enabled in the setup utility? Y Y Diskette drive boot order? N Go to Section 2.17, Nonfunctioning Device. Enable drive and cold boot computer. Clear CMOS. Refer to Section 1.2, "Clearing a Password," for instructions. N Bootable diskette in drive? Install bootable diskette and reboot computer. Y Check diskette for system files. Try different diskette. Y Nonsystem disk error? N 1. Replace diskette drive. 2. Replace system board. Y OS loading? N Done Change boot priority using the setup utility. Go to Section 2.17, Nonfunctioning Device. Maintenance and Service Guide 2-23

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Troubleshooting
Maintenance and Service Guide
2–23
Flowchart 2.13—No OS Loading from Diskette Drive
Done
Y
N
Reseat
diskette drive.
OS not loading
from
diskette drive.
Done
Y
Y
Y
Y
Y
Y
Y
N
N
N
N
N
N
N
OS
loading?
Nonsystem
disk message?
Bootable
diskette
in drive?
Install bootable
diskette and
reboot computer.
Check diskette
for system files.
Try different
diskette.
1. Replace
diskette drive.
2. Replace system
board.
Nonsystem
disk error?
OS
loading?
Boot
from another
device?
Enable drive
and cold boot
computer.
Diskette
drive boot
order?
Change boot
priority using
the setup utility.
Go to
Section 2.17,
Nonfunctioning
Device.
Diskette
drive enabled
in the setup
utility?
Go to
Section 2.17,
Nonfunctioning
Device.
Clear CMOS.
Refer to Section
1.2, “Clearing a
Password,” for
instructions.